/**
 * Copyright 2013-2033 Xia Jun(3979434@qq.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ***************************************************************************************
 *                                                                                     *
 *                        Website : http://www.farsunset.com                           *
 *                                                                                     *
 ***************************************************************************************
 */
package com.farsunset.httpserver.dto;

import com.google.gson.GsonBuilder;

public final class Response<T> {
    private int code;
    private String message;
    private T data;


    public Response(int code, String message, T data) {
        this.code = code;
        this.message = message;
        this.data = data;
    }

    @Override
    public String toString() {
        return "Response{" +
                "code=" + code +
                ", message='" + message + '\'' +
                ", data=" + data +
                '}';
    }

    public String toJSONString(){
        return new GsonBuilder().create().toJson(this);
    }

    public int getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public T getData() {
        return data;
    }

    public static <T> Response<T> ok(T data) {
        return new Response<>(200, "ok", data);
    }
    public static  Response<Void> ok() {
        return new Response(200, "ok", null);
    }

    public static <T> Response<T> ok(String msg, T data) {
        return new Response<>(200, msg, data);
    }

    public static Response fail(String msg) {
        return new Response<String>(500, msg, null);
    }
}
